48results about How to "Guaranteed axial movement" patented technology

The invention relates to a first bearing cover of an engine cylinder cover, which is characterized in that: a bolt hole is arranged on the bearing cover, and is used for fixing the bearing cover onto the cylinder cover. An air inlet bearing and an exhaust bearing are connected with each other into a whole through a cross arm. At the same time, two oil holes which are arranged on the upper end of an air inlet cam shaft bearing are communicated with an oil passage of a variable valve timing (VVT) control valve through an external pipeline. An oil storage trough and the oil passage are cast on the lower surface of the first bearing cover, and the casting of the oil passage can greatly reduce the mechanical processing difficulty. The first bearing cover of the engine cylinder cover has simple design, is easy to arrange, is simple to process, and can effectively reduce the processing difficulty.

The invention discloses a hydroelectric generator with a flow control function, and a shower faucet. The hydroelectric generator comprises an electric generator body and a valve. The valve is provided with a first runner and a second runner which are capable of being communicated with a same water supply pipeline. The first runner is communicated with an impeller cavity of the electric generator body. Through the first runner, water flow is pressurized and conveyed into the impeller cavity of the electric generator body so as to drive an impeller to rotate. The impeller cavity is provided with a water outlet. The valve is provided with a control valve body which is controlled by water supply pressure and can be reset. The control valve body controls the second runner to discharge water or not. According to the hydroelectric generator and the shower faucet, under the low water pressure condition, water can be made to flow the impeller cavity of the electric generator body completely, and power generation of the electric generator body is not influenced; and under the high water pressure condition, part of water flows out through the second runner and provides efficient flow for the rear end together with water flowing out from the impeller cavity, so that normal flowing of the water flow is not hindered. The hydroelectric generator and the shower faucet further have the characteristics of being simple in structure, convenient to produce and assemble, low in cost and the like.

The invention discloses a medium concentration hydraulic double disc stuff grinder, comprising a hydraulic adjusting unit and a medium concentration double disc stuff grinder body. The hydraulic adjusting unit consists of a hydraulic cylinder, an electromagnetic direction valve, a pressure retaining valve, a hydraulic pump, an oil pump motor and an oil tank connected orderly by pipelines. The oil tank is further connected with a cooler, a pressure adjusting valve and a pipeline of a pressure gauge; the medium concentration double disc stuff grinder body consists of a double shell and a shell cover, a coupler, a motor, a bearing body suspension and a bearing body, a shaft, a left fixed disc base and left and right fixed discs, left and right rotary discs and a rotary disc base. The hydraulic cylinder is fixed on the shell cover. One end of the piston rod is fixed on the left fixed disc base while the other end is provided with a mechanism limiting fine-adjusting nut. The left fixed disc is fixed on the left fixed disc base and the right fixed disc is fixed on the shell. The left and right rotary discs are fixed respectively at both sides of the rotary disc base. Tangential stock inlets are arranged on the left fixed disc base and the shell. The shell is provided with a stock outlet. The invention adjusts the definitely proportional pressure of the millstone which feeds and discharges through the pressure retaining valve to pulp in medium concentration, thereby improving the pulping quality and efficiency thereof.

The invention relates to a rotary speed and opening degree double-adjustment device for a fertilizer discharging shaft of a variable fertilizer applicator. The rotary speed and opening degree double-adjustment device comprises a rack, a rotary speed adjusting mechanism, an opening degree adjusting mechanism and fertilizer discharging devices, and is characterized in that the rotary speed adjusting mechanism is arranged at the right side of the rack; the opening degree adjusting mechanism is arranged at the left side of the rack; and the fertilizer discharging devices are uniformly distributed between the rotary speed adjusting mechanism and the opening degree adjusting mechanism according to specific farmland plant planting line spacing and the width of the variable fertilizer applicator. The rotary speed adjusting mechanism is composed of a rotary speed motor, a rotary speed motor seat, a rotary speed sleeve, a rotary speed shaft coupler, a supporting bearing, a rotary speed connection piece and a spline; the opening degree adjusting mechanism is composed of an opening degree motor, an opening degree motor seat, an opening degree sleeve, an opening degree shaft coupler, an opening degree connection piece and a rotary bearing; and each fertilizer discharging device is composed of a fertilizer discharging box, a groove wheel, a fertilizer discharging stopping shaft, a clamping device and a follow-up baffle. The adjustment device can be used for adjusting the rotary speed and the opening degree of a fertilizer discharging main shaft at the same time so that the working efficiency is improved, and the influences in fertilization uniformity, caused by fertilizer discharging pulsatility in a fertilizer discharging process are reduced.

The invention discloses a shock absorbing device for the base of a painting robot, which comprises a bottom plate, on which a plurality of limit posts are arranged symmetrically, on which a base is sheathed together on the limit posts, and on which a fixed block is arranged on the bottom plate , the lower surface of the base is symmetrically provided with two support plates, and the fixed block is symmetrically provided with two first mounting frames and two second mounting frames, and the first mounting frame is rotatably connected with a first connecting frame. rod and the second connecting rod, the second mounting bracket is rotatably connected with an L-shaped connecting rod, the first spring is connected between the first connecting rod and the L-shaped connecting rod, and the support plate and the second connecting rod A second spring is connected between them, a third spring is connected between the second connecting rod and the bottom plate, and four sleeves are symmetrically arranged on the bottom plate. The invention is simple in structure, convenient to use, multiple shock absorbing modes can absorb shock at the same time, greatly improves the shock absorbing effect of the whole device, does not affect the work of the painting robot, and is worth popularizing.

The invention discloses a mechanical clutch device for a combined seed and fertilizer mill. The mechanical clutch device comprises a clutch flange. One end of the clutch flange is fixedly provided with a main drive shaft through a semi-clutch A. The end, opposite to the above end, of the clutch flange is fixedly provided with a spline shaft through a semi-clutch B. The semi-clutch A and the semi-clutch B which are provided with teeth on the opposite end faces form a jaw clutch. The spline shaft is fixed to the clutch flange through cascading connection of a bearing and a bearing seat. The free end of the spline shaft is fixedly provided with a chain wheel through a clamp spring. A spline shaft body is axially provided with a compression spring. The semi-clutch B is connected with the semi-clutch A under the action of the compression spring. A shifting fork ring is circumferentially arranged on the semi-clutch B. A shifting fork bar is correspondingly arranged in the shifting fork ring and fixed into the clutch flange through a guide cover. The free end of the shifting fork bar is connected with a control end through a wiring assembly. The mechanical clutch device is stable, reliable and easy to operate, avoids seedling missing and excessive seeding, reduces waste and guarantees that production and income of crops are increased.

A high-consistency hydraulic disc mill comprises a spiral feed unit, a hydraulic adjusting unit and a high-consistency disc mill body, wherein the rotating speed of a conveying screw is adjusted by a variable-frequency and variable-speed motor, and feed quantity of the high-consistency disc mill is matched with the defibrination output of the high-consistency disc mill. The hydraulic adjusting unit is composed of an oil tank, a hydraulic pump, a solenoid directional valve, a pressure regulating valve, a pressure retaining valve, a hydraulic cylinder, a piston, a thrust cylinder, a cooler, the pressure regulating valve and a pressure gauge, wherein the hydraulic cylinder is fixed on a bearing body suspended frame, the piston is fixed on the thrust cylinder, one end of the thrust cylinder is fixed on an front bearing cover, and a mechanical limiting fine tuning nut is arranged at the other end of the thrust cylinder. The high-consistency disc mill body is composed of a machine shell, a machine cover, a fixed disc, a rotating disc, the bearing body suspending frame, a bearing body, a shaft, a coupler and a motor, wherein the fixed disc is fixed on the machine cover and the rotating disc is fixed on the shaft. Due to the fact that the hydraulic regulating unit which is provided with a pressure retaining return circuit regulates the advancing and the retreating of a knife and defibrination specific pressure, producing of high-consistency milled defibrination with the fixed specific pressure is achieved, energy is saved, and defibrination efficiency is improved.

The invention discloses a medical infusion machine which comprises an intelligent control system, an alarming device, a driving device and a piston reciprocating pump. The alarming device, the driving device and the piston reciprocating pump are connected with the intelligent control system respectively, the piston reciprocating pump comprises a pump body and a piston body mounted on the side face of the pump body, a pump cavity is arranged in the pump body and communicated with a piston cavity of the piston body, a piston rod is arranged in the piston body, and a sealing ring is arranged between the piston body and the piston rod. The medical infusion machine is more accurate in infusion flow control, capable of realizing infusion with different flows for different patients and different medicine liquids, more durable and higher in reliability.

The invention provides a rotor, a motor, a water pump and a vehicle. The rotor comprises a rotating shaft, a rotor core and a plastic-coated bod, wherein the rotor iron core is sleeved on the rotatingshaft and synchronously rotates with the rotating shaft, and magnetic steel is arranged in the rotor core; and the plastic-coated body completely wraps the part of the rotor core exposed out of the rotating shaft, forms an integrated structure together with the rotor core and the rotating shaft, and is provided with a positioning structure for positioning the position of the magnetic steel. According to the rotor provided by the invention, the plastic-coated body completely wraps the part of the rotor core exposed out of the rotating shaft, so that the rotor core can be stably and firmly sealed in the plastic-coated body, the situation of displacement, even separation and the like cannot occur, the use reliability of the motor is improved, and in the meantime, complicated processes such as the fixing of fasteners are omitted, which simplifies the production process and improves the preparation efficiency; and the positioning structure on the plastic-coated body can accurately positionthe magnetic steel, so that the magnetizing position of the magnetic steel is accurately positioned, and the magnetizing accuracy is improved.

The invention discloses a non-vacuum water supply device steady flow compensator. The non-vacuum water supply device steady flow compensator includes a base; a plurality of cavities are symmetricallyformed in the base; limiting blocks are arranged in the cavities; each limiting block is fixedly connected to a limiting column, and the lower end of the limiting column passes through the base and has a bottom plate; a plurality of shock absorbers are evenly arranged between the base and the bottom plate; two supporting seats are symmetrically arranged on the base through locking screws; each supporting seat is fixedly connected to a support; a tank is arranged on the two supports; a water inlet pipe and a lower breathing type vacuum suppressor are arranged on the tank; a water shortage protection pipe and a water outlet pipe are welded onto the tank; a blowoff pipe is arranged on the water outlet pipe; and two lifting lugs are symmetrically welded onto the tank. The non-vacuum water supply device steady flow compensator is simple in structure, is easy to use, is table in structure, is good in shock absorption effect, can reduce shock during working, can reduce damage to parts of thedevice, can prolong the service life, and is worthy of promotion.

The invention relates to a paraffin-treatment device (5) for a workstation (1) on a textile machine producing cross-wound bobbins, having a drive and bearing shaft (13) that can be rotationally movedand on which a paraffin body (14) is supported in a rotationally fixed, but axially displaceable manner, having a receiving opening (23) in the region of the central longitudinal axis (35) thereof. According to the invention, in a first embodiment, the drive and bearing shaft (13) has a bearing region (27) designed such that a paraffin body (14) of a first type can be slid onto it, having a receiving opening (23) having a first cross section (A1), and that the bearing region (27) of the drive and bearing shaft (13) is expandable in the dimension thereof such that the expanded bearing region (27) can support a paraffin body (14A) of a second type, the receiving opening (23A) thereof having a second cross section (A2).

The invention relates to a machining tool, in particular to a multifunctional combined tool special for machining of stepped holes. The multifunctional combined tool special for machining of stepped holes comprises a tool holder and blades. The blades include an end machining blade and a radial machining blade. One end of the end machining blade and one end of the radial machining blade are provided with stepped hole machining teeth in step forms. The end of the tool holder is provided with a clamping channel and a bit positioning hole. A bit is disposed inside the bit positioning hole. The clamping channel comprises a first clamping part used for clamping the end machining blade and a second clamping part used for clamping the radial machining blade. The first clamping part locates on the diametric section of the tool holder. The lower end face of the second clamping part and the upper end face of the first clamping part locate in a same plane. One end of the end machining blade, close to the radial machining blade, is parallel to the axis of the tool holder. The multifunctional combined tool has the advantages that the diametric part of each segment of a stepped hole can be machined once, and the end face and diametric part of the stepped hole can be machined at the same time.

The invention discloses a high-pressure-resistant regulating valve. The high-pressure-resistant regulating valve comprises a valve body. A valve body inlet and a valve body outlet are formed in the two sides of the valve body correspondingly. A valve element is arranged at the junction of the valve body inlet and the valve body outlet. A valve seat matched with the valve element is arranged on the valve body. A mounting base is fixed to the valve body, and a first sealing plate and a second sealing plate are connected to the inner side of the mounting base through springs. Limiting plates are arranged at the two ends of the first sealing plate correspondingly. A sliding clamp block is arranged at the end, away from the first sealing plate, of each limiting plate. A valve deck is arranged on the upper side of the valve body. A valve rod is perpendicularly arranged at the center of the side, close to the valve deck, of the valve element. Two guide rods which are perpendicularly mounted on the valve element are arranged on the outer side of the valve rod. Two supporting plates in symmetrical positions are arranged on the inner wall of the valve body. Guide through holes which are matched with the guide rods are formed in the supporting plate. The high-pressure-resistant regulating valve is simple in structure and good in airtightness, abrasion of the regulating valve is effectively reduced, and the service life of the valve is prolonged.

The invention discloses an assembly welding tool for a wheel disc body and an application method. The assembly welding tool comprises a support seat, a left support upright, a right support upright, a stepping motor, a rolling bearing, a driving chuck, a short shaft, a long clamping jaw, a driven chuck, a long shaft, a bearing sleeve, a return shaft sleeve, a return pull disc, a push pull disc, a push shaft, a thrust bearing, an air cylinder, a working air chamber, a return air chamber and an air cylinder bracket, wherein the support seat comprises the left and right support uprights; the short shaft is in interference fit connection with the left support upright through the rolling bearing; the long shaft is in clearance fit connection with the bearing sleeve; the bearing sleeve is in interference fit connection with the right support column; and the long clamping jaw is embedded in the driving chuck and driven chuck. The technical scheme disclosed by the invention overcomes the deformation problem of free quenching of the wheel disc body, solves the cracking problem caused by pressure quenching and increases the product yield.

The invention discloses a matrix mixing device for breeding earthworms, relates to the technical field of mixing devices, and aims to provide a matrix mixing device for breeding earthworms, which can fully stir materials between upper and lower stirring blades and improve the mixing effect. The stirring mechanism is used for stirring materials so that the materials can be fully mixed, the stirring mechanism comprises a rotating part and a stirring part, the rotating part is arranged below the stirring part, and the transmission mechanism is used for driving the stirring mechanism to rotate at a high speed and driving the stirring part or the rotating part to do reciprocating motion in the vertical direction. The device has the technical effects that the limiting stirring mechanism comprises the rotating component and the stirring component, the long hole is formed in the rotating rod of the rotating component, and the stirring blade of the stirring component can penetrate through the long hole to extend outwards, so that when one component rotates, the other component can be lifted, and the stirring efficiency is improved. And materials between the upper stirring blade and the lower stirring blade can be fully stirred.

The invention discloses a magnetic motor brake. The magnetic motor brake comprises a magnetic brake seat, a magnetic coil, reset springs, a rotor/stator combined plate and a friction ring and is characterized in that an annular groove is arranged inside the magnetic brake seat, the outer edge of the inner side of the magnetic brake seat is evenly provided with positioning holes, and the middle ofthe inner side of the magnetic brake seat is evenly provided with threaded holes; the magnetic coil is arranged in the annular groove of the inner cavity of the magnetic brake seat and connected witha switch; the magnetic coils are correspondingly arranged in the positioning holes; the rotor/stator combined plate is coordinated with the threaded holes in the magnetic brake seat through fastenersand connected with the magnetic brake seat to guarantee circumferential fixing and axial movement of the rotor/stator combined plate; the friction ring is arranged on the outer side of the rotor/stator combined plate and connected with the end cover of a motor. The magnetic motor brake is simple and optimized in overall structure, easy to assemble, convenient to maintain, wide in application rangeand suitable for being widely produced and used.

The present invention relates to longitudinal robot joint, which includes oil cylinder for driving, multiple rollling screw pair, rolling spline pair and output terminal. The longitudinal robot joint features that the rolling spline pair has spline shaft connected to the piston rod of the oil cylinder and spline hoursing connected to the oil cylinder liner to make the spline possess only axial motion and bear the counteractive force moment; that the multiple rolling spline pair has screw shaft integrated with the spline shaft and screw housing connected to the outer terminal to complete the conversion from the linear motion of oil cylinder to rotation motion; and that these is a thrust bearing pair between the spline housing and the screw housing to make the screw housing capable of swinging only around its axis.

The invention discloses a material temperature measuring device for a soaking furnace. The material temperature measuring device comprises a cylinder passing through a furnace wall, a guiding mechanism, and a driving mechanism. Four metal rods penetrate the cylinder; and two of the four metal rods are nickel-chromium alloy rods and the other two rods are nickel-silicon alloy rods. Guiding wheels are fixed on a rack and are in contact with the outer surface of the cylinder. The driving mechanism drives the cylinder to make axial reciprocating motion. A longitudinal insulating plate is arrangedinside the cylinder along the axial direction and separates the four metal rods mutually. A plurality of horizontal insulating plates are arranged inside the cylinder along the direction perpendicularto the axial direction and are distributed at intervals; and the horizontal insulating plates and the longitudinal insulating plate are fixed mutually. Lead screws are arranged at the tails of the metal rods. A limiting plate protruding radially is arranged at the shaft end of one side of the cylinder; and internal threads cooperating with the lead screws are formed in the limiting plates. Therefore, the temperature of the aluminum alloy ingot in the furnace can be measured accurately; the material temperature measuring device can be utilized repeatedly; and the temperature measuring is donequickly and efficiently.

The invention relates to a driving tube adapter for a large explosive wave simulator. The driving tube adapter for the large explosive wave simulator comprises a sealing body (3) used as an adapter main body, wherein the sealing body (3) is in a sleeve type structure, the sealing body (3) is sheathed on a driving tube (12) and is fixed in a buttress type reaction wall (11), the inner wall surface of the sealing body (3) is provided with a groove, a locating sleeve (6) is arranged between the groove on the inner wall surface of the sealing body (3) and the driving tube (12), a front end cover (8) and a rear end cover (1) are fixed at two ends of the sealing body (3) respectively, the rear end cover (1) comprises a rear end cover flange (13) and locating mechanisms, and a plurality of groups of locating mechanisms are arranged in the rear end cover flange (13). The driving tube adapter has the characteristics of good sealing, shock-insulation and damping effects and stable performance, and can accurately control the driving tube to buffer and reset, and has important significance on ensuring the safe and normal operation of the driver in the large explosive wave simulator.